On-board apparatus



FIG. 1 is a front elevation view of the on-board electronic apparatus for vehicles showing our new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a top perspective view thereof. 

CLAIM The ornamental design for an on-board apparatus, as shown and described. 